comp2402-submit.sh

#!/bin/sh
set -e
export SCRIPTNAME="$0"
while [ $# -gt 0 ]; do
  case "$1" in
    -s|--start)
      if [ "$(ssh-add -l 2>/dev/null | wc -l)" -lt 1  ]; then
        echo "fatal: ssh-agent must be available with identities loaded"
        exit 1
      fi
      set -x
      ssh -TfL 2022:vmicron02:22 cu sleep 30 >/dev/null 2>/dev/null
      sudo -E bash << EOHF
      ssh -NTfL 443:134.117.31.38:443 [email protected] -p 2022 >/dev/null 2>/dev/null
      iptables -t nat -A OUTPUT -p all -d 134.117.31.38 -j DNAT --to-destination 127.0.0.1 >/dev/null 2>/dev/null  
EOHF
      set +x
      ;;
    -k|--kill)
      set -x
      # kill -9 "$(cat $SCRIPTNAME.tun1)"
      # sudo -E kill -9 "$(cat $0.tun2)"
      sudo iptables -t nat --flush
      # rm "$SCRIPTNAME.tun1" "$SCRIPTNAME.tun2"
      echo 'You may wish to kill the ssh tunnels with pkill -x ssh'
      set +x
      ;;
    -l|--list)
      sudo iptables -t nat -L
      ;;
    *)
      echo "Invalid parameter: $1"
      exit 1
      ;;
  esac
  shift
done

ssh-config

Host cu
HostName access.scs.carleton.ca
User guyhughes
IdentityFile ~/.ssh/id_rsa
Cipher arcfour